Janar

One post widget

Show recent post in widget area so the widget title/content itself is given post title and contents. You can choose queue which post to show from recent posts or just give specific ID.

ArielK

Yakir Sitbon

pojo.me

Please Note: This plugin is only for <a href="http://pojo.me/?utm_source=wp-repo&utm_medium=link&utm_campaign=device-widget" rel="nofollow ugc">Pojo Framework</a> users – Pojo is a premium themes.
If you have a responsive website, Pojo Device Widget plugin is created especially for you. If you wanted to display a widget for: Desktop, tablet or mobile device (Phone), you can do it easily and simply using the selection box at the bottom of each widget. 
Pojo Device Widget plugin will save you time encode and write code, and leave you with a clean Sidebar area. The plugin only adds CSS settings by Media Query screen:
<ul>
<li>Desktop – 980px and up</li>
<li>Tablet – 979px to 768px</li>
<li>Phone (Mobile) – 767px and below</li>
</ul>
By default plugin defines all the current widget “Show on all devices”, so all the widgets are always displayed. You can check the effective plugin By: Reducing / Expanding your browser window.
Contributions:
Would you like to like to cotribute to Device Widget? You are more than welcome to submit your pull requests on the <a href="https://github.com/KingYes/wordpress-aryo-device-widget" rel="nofollow ugc">GitHub repo</a>. Also, if you have any notes about the code, please open a ticket on ths issue tracker.

Pojo Device Widget

Allows to easily control the display of widgets by the specific device: Desktop, Tablet or Mobile on your WordPress site with Pojo Framework.

One post widget vs Pojo Device Widget